I find these people and organisations inspirational:
 
C-Change www.c-changesc.org    
Gaia Coach Institute www.gaiacoach.co.uk
Knowle West Media Centre www.kwmc.org.uk    
Sawdays Publishing www.sawdays.co.uk                
Schumacher Society www.schumacher.org.uk              
Schumacher Institute www.schumacherinstitute.org.uk
Sea Communications http://sea-communications.co.uk
Soil Association www.soilassociation.org
Transition Mentoring www.transitionmentoring.com
The Woodland Trust www.woodlandtrust.org.uk